153044121 has 16 divisors (see below), whose sum is σ = 207750528. Its totient is φ = 100195200.

The previous prime is 153044051. The next prime is 153044131. The reversal of 153044121 is 121440351.

It is not a de Polignac number, because 153044121 - 2¹⁸ = 152781977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153044131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58575 + ... + 61131.

It is an arithmetic number, because the mean of its divisors is an integer number (12984408).

Almost surely, 2^153044121 is an apocalyptic number.

It is an amenable number.

153044121 is a deficient number, since it is larger than the sum of its proper divisors (54706407).

153044121 is a wasteful number, since it uses less digits than its factorization.

153044121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 153044121 is about 12371.1002340131. The cubic root of 153044121 is about 534.8995310218.

Adding to 153044121 its reverse (121440351), we get a palindrome (274484472).

The spelling of 153044121 in words is "one hundred fifty-three million, forty-four thousand, one hundred twenty-one".